---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2165 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.94 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 772 5203 4 2255 7169 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ac:51:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81654sec preferred_lft 81654sec inet6 fe80::f816:3eff:feac:5156/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2165) 04/12/26 _x86_64_ (2 CPU) 00:14:42 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:22 1.63 0.01 1.61 0.01 0.05 19.38 632.93 00:40:22 22.43 3.03 17.17 2.23 228.53 3136.60 749.68 00:50:48 14.31 0.00 1.42 12.89 0.14 22.84 102415.56 01:00:01 1.60 0.00 1.56 0.04 0.00 24.58 0.75 01:10:22 1.42 0.00 1.41 0.00 0.00 133.32 382.36 01:20:12 2.02 0.32 1.69 0.02 39.67 88.73 375.24 01:30:01 1.42 0.00 1.40 0.02 0.00 23.42 1.21 Average: 6.48 0.48 3.75 2.25 38.26 493.19 15579.86 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:22 6300420 7546816 273404 3.36 30640 1421652 529824 5.77 443528 1183272 124 00:40:22 5313824 7393180 378968 4.66 84104 2160020 660796 7.20 602400 1929540 244 00:50:48 5261684 7343256 428932 5.27 84260 2162112 670952 7.31 604144 1931768 164 01:00:01 5271040 7354280 417836 5.14 84420 2163620 689600 7.51 623076 1933436 172 01:10:22 5241232 7360884 411136 5.06 84576 2199792 677916 7.38 610184 1969764 132 01:20:12 5171292 7323856 447436 5.50 84840 2232008 880064 9.59 631724 1991052 364 01:30:01 5159740 7314252 456972 5.62 84988 2233756 912088 9.93 663412 1992948 328 Average: 5388462 7376646 402098 4.94 76833 2081851 717320 7.81 596924 1847397 218 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:22 ens3 0.97 0.09 0.16 0.07 0.00 0.00 0.00 0.00 00:40:22 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:22 ens3 69.26 46.47 299.90 12.12 0.00 0.00 0.00 0.00 00:50:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:48 ens3 21.07 19.88 241.00 1.63 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 7.57 6.79 36.15 0.81 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 15.42 14.09 151.73 1.55 0.00 0.00 0.00 0.00 01:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 16.77 16.15 147.26 1.72 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 13.30 12.92 142.61 1.15 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.68 16.68 146.71 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2165) 04/12/26 _x86_64_ (2 CPU) 00:14:42 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:22 all 0.28 0.00 0.16 0.01 0.03 99.51 00:30:22 0 0.48 0.00 0.14 0.00 0.03 99.34 00:30:22 1 0.08 0.00 0.18 0.02 0.04 99.68 00:40:22 all 11.03 0.00 1.65 0.69 0.05 86.58 00:40:22 0 10.60 0.00 1.55 0.63 0.05 87.17 00:40:22 1 11.45 0.00 1.75 0.76 0.06 85.98 00:50:48 all 0.93 0.00 0.26 0.04 0.07 98.71 00:50:48 0 0.70 0.00 0.18 0.02 0.05 99.06 00:50:48 1 1.16 0.00 0.34 0.05 0.08 98.36 01:00:01 all 3.37 0.00 0.44 0.01 0.07 96.11 01:00:01 0 5.72 0.00 0.62 0.01 0.09 93.56 01:00:01 1 1.07 0.00 0.27 0.01 0.06 98.60 01:10:22 all 4.03 0.00 0.42 0.01 0.07 95.47 01:10:22 0 7.22 0.00 0.70 0.02 0.07 91.98 01:10:22 1 0.93 0.00 0.15 0.00 0.07 98.85 01:20:12 all 1.70 0.00 0.33 0.03 0.07 97.87 01:20:12 0 1.66 0.00 0.31 0.05 0.07 97.92 01:20:12 1 1.75 0.00 0.36 0.01 0.06 97.82 01:30:01 all 0.84 0.00 0.32 0.17 0.04 98.64 01:30:01 0 0.54 0.00 0.28 0.10 0.04 99.04 01:30:01 1 1.14 0.00 0.35 0.24 0.05 98.23 Average: all 3.15 0.00 0.51 0.14 0.06 96.15 Average: 0 3.80 0.00 0.54 0.12 0.06 95.49 Average: 1 2.51 0.00 0.48 0.16 0.06 96.80